Using $1$ push$-$button switch, $1$ potentiometer, $1$ LCD and $1$ buzzer build a circuit and write a sketch to create a game. $$ On the bottom row you can control the position of an up$-$pointing arrow $$ by turning the potentiometer. $$ On the top row a down pointing arrow $$ appears in a random position. $$ By turning the potentiometer, you need to match their position and press the button. $$ If successful, the display then shows the time $($in mSecs$)$ between the appearance of the top arrow and pressing the button for $2$ seconds. Then another random arrow is displayed, and the game continues. $$ If the button is pressed and the arrows are not aligned the buzzer will sound and the display will freeze for $2$ seconds. $$ The game restarts.